ISO 13577-3:2016 specifies safety requirements for generation and use of protective and reactive atmosphere gases that are part of industrial thermo-processing equipment (TPE).
NOTE The general safety requirements common to TPE are provided in ISO 13577‑1 (see Introduction).
ISO 13577-3:2016 deals with significant hazards, hazardous situations and events relevant to the generation and use of protective and reactive atmosphere gases created by thermochemical reactions and their use in TPE that are part of TPE as listed in Clause 4 and Clause 5, when used as intended and under the conditions foreseen by the manufacturer.
- pipework downstream of and including the manual isolating valve,
- equipment for the generation of atmosphere gases,
- additional equipment for the use of atmosphere gases in TPE,
- safety devices, and
- functional requirements for safety related control system
for the generation and use of protective and reactive atmosphere gases.
It applies to the supply of atmosphere gas, source gas, inert gas and process liquids to TPE and their removal from TPE, confined to equipment integrated in the TPE.
ISO 13577-3:2016 also details the anticipated significant hazards associated with atmosphere gas systems and their use in TPE and specifies the appropriate preventative measures for the reduction or elimination of these hazards.
The pressure hazard of the piping and components covered by this standard is within the maximum pressure/size relationship of group I as described in Annex C.
- specifies the requirements to be met to ensure the safety of persons and property during installation, commissioning, start up, operation, shutdown and maintenance,
- does not cover the relevant risks involved in the flue gas ducting system when it is not considered a part of TPE,
- is not applicable to utility supply upstream of the TPE main disconnects,
- does not apply to TPE for semi-conductor devices,
- does not apply to TPE with atmosphere, such as air and flue gas from an over stoichiometric combustion,
- does not cover the decommissioning of the TPE,
- does not cover vacuum furnaces,
- does not deal with the hazard of noise which is covered in ISO 13577‑1,
- is not applicable to generation and use of atmosphere gas in TPE and associated plant which is manufactured before the date of its publication, and
- gives the necessary requirements for the information for use.
A TPE designed according to ISO 13577-3:2016 does not create any potentially explosive atmosphere in the area around the TPE and is not designed to be located in an area with a potentially explosive or hazardous atmosphere.
A table of typical protective and reactive gases is given in Annex B.
Текущий статус: PublishedДата публикации: 2016-09
Технический комитет: ISO/TC 244 Industrial furnaces and associated processing equipment
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|std 1 178|
|std 2 178||Бумажный|
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Этап: 90.93 (Подтверждено)
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